 |
| |||
| dial-back | |||
| установление обратного соединения: 6 phrases in 3 subjects |
| Information security and data protection | 1 |
| Security systems | 3 |
| Telecommunications | 2 |
|
| |||
| dial-back | |||
| установление обратного соединения: 6 phrases in 3 subjects |
| Information security and data protection | 1 |
| Security systems | 3 |
| Telecommunications | 2 |